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added camouflaging functionality and instrumentation

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This commit is contained in:
eerieaerial 2025-04-30 17:40:54 +04:00
parent cdaf5e5468
commit 083b833bf8
16 changed files with 904 additions and 43 deletions
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7
node/Multicaster.cpp
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@ -63,11 +63,11 @@ void Multicaster::remove(uint64_t nwid,const MulticastGroup &mg,const Address &m
}
}
unsigned int Multicaster::gather(const Address &queryingPeer,uint64_t nwid,const MulticastGroup &mg,Buffer<ZT_PROTO_MAX_PACKET_LENGTH> &appendTo,unsigned int limit) const
unsigned int Multicaster::gather(const Address &queryingPeer,uint64_t nwid,const MulticastGroup &mg,Buffer<ZT_PROTO_MAX_PACKET_LENGTH + ZT_PROTO_ADDITIONAL_CAMO_LENGTH> &appendTo,unsigned int limit) const
{
unsigned char *p;
unsigned int added = 0,i,k,rptr,totalKnown = 0;
uint64_t a,picked[(ZT_PROTO_MAX_PACKET_LENGTH / 5) + 2];
uint64_t a,picked[((ZT_PROTO_MAX_PACKET_LENGTH + ZT_PROTO_ADDITIONAL_CAMO_LENGTH) / 5) + 2];
if (!limit) {
return 0;
@ -98,7 +98,7 @@ unsigned int Multicaster::gather(const Address &queryingPeer,uint64_t nwid,const
// Members are returned in random order so that repeated gather queries
// will return different subsets of a large multicast group.
k = 0;
while ((added < limit)&&(k < s->members.size())&&((appendTo.size() + ZT_ADDRESS_LENGTH) <= ZT_PROTO_MAX_PACKET_LENGTH)) {
while ((added < limit)&&(k < s->members.size())&&((appendTo.size() + ZT_ADDRESS_LENGTH) <= (ZT_PROTO_MAX_PACKET_LENGTH + ZT_PROTO_ADDITIONAL_CAMO_LENGTH))) {
rptr = (unsigned int)RR->node->prng();
restart_member_scan:
@ -201,6 +201,7 @@ void Multicaster::send(
}
outp.armor(bestMulticastReplicator->key(),true,bestMulticastReplicator->aesKeysIfSupported());
Metrics::pkt_multicast_frame_out++;
CT("UNPROCESSED");
bestMulticastReplicatorPath->send(RR,tPtr,outp.data(),outp.size(),now);
return;
}